Find Us Center for Advanced Intestinal RehabilitationFind Us Fegan Building, 3rd floor The Center for Advanced Intestinal Rehabilitation is located on the third floor of the Fegan Building. Enter the hospital through the Main Entrance and walk up the stairs on your left. At top of the stairs, make a left. Go past the ATMs (on your left). At the end of the hallway, bear right. Follow the hallway to the end and go through the doorway. Turn right at the glass-walled fountain and you will see the Fegan elevator bank. Take any elevator to the third floor. Copyright © 2010 Children's Hospital Boston